Duckbill Check Valve Proflex 720

The Proco ProFlex™ 720 in-line flanged rubber duckbill check valve is designed to fit directly inside of an existing pipe.

 

This particular valve is supplied with a flat face rubber flange, which allows installation between existing pipe flanges, and eliminates the need for a valve body. Various drilling standards are available upon request.

 

Also referred to as:

 

- Duckbill Valve

- Duckbill Check Valve

Construction
Application

Some notable features of the Proco ProFlex™ Style 720 rubber Duckbill Check valve include:

 

All-rubber construction to resist abrasive slurries

 

NSF 61 standard construction

 

Ultra-quiet operation, with no water hammer

 

Unique design to prevent backflow

 

Negligible maintenance and energy costs

 

Will not warp or freeze

 

Quick interchange with any flap type check valve

 

Available in sizes from 1” to 96”

 

Available with special ID to suit concrete pipe

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